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228382828 = 22172316373
BaseRepresentation
bin11011001110011…
…01100001101100
3120220202001100021
431213031201230
5431431222303
634355011524
75442136102
oct1547154154
9526661307
10228382828
11107a09443
1264599ba4
133841418b
142248dc72
15150b3ebd
hexd9cd86c

228382828 has 36 divisors (see below), whose sum is σ = 438327232. Its totient is φ = 103991040.

The previous prime is 228382799. The next prime is 228382829. The reversal of 228382828 is 828283822.

It is a super-2 number, since 2×2283828282 = 104317432250555168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (228382829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32650 + ... + 39022.

Almost surely, 2228382828 is an apocalyptic number.

It is an amenable number.

228382828 is a deficient number, since it is larger than the sum of its proper divisors (209944404).

228382828 is a wasteful number, since it uses less digits than its factorization.

228382828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442 (or 6423 counting only the distinct ones).

The product of its digits is 196608, while the sum is 43.

The square root of 228382828 is about 15112.3402555660. The cubic root of 228382828 is about 611.2532043163.

The spelling of 228382828 in words is "two hundred twenty-eight million, three hundred eighty-two thousand, eight hundred twenty-eight".